123100233223212 has 96 divisors (see below), whose sum is σ = 364801862960640. Its totient is φ = 35165667913920.

The previous prime is 123100233223211. The next prime is 123100233223241. The reversal of 123100233223212 is 212322332001321.

123100233223212 is a `hidden beast` number, since 1 + 2 + 3 + 1 + 0 + 0 + 2 + 332 + 2 + 321 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (123100233223211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8922114 + ... + 18050057.

It is an arithmetic number, because the mean of its divisors is an integer number (3800019405840).

Almost surely, 2^{123100233223212} is an apocalyptic number.

123100233223212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123100233223212 is an abundant number, since it is smaller than the sum of its proper divisors (241701629737428).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123100233223212 is a wasteful number, since it uses less digits than its factorization.

123100233223212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26978228 (or 26978220 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 123100233223212 its reverse (212322332001321), we get a palindrome (335422565224533).

The spelling of 123100233223212 in words is "one hundred twenty-three trillion, one hundred billion, two hundred thirty-three million, two hundred twenty-three thousand, two hundred twelve".